This bird feeder is made of a weather resistant (proof?) material. It is square, with a screen bottom and open top. Looks like a hanging tray. Easy to hang, easy to refill. Two major items I dislike: since it is open, the seed gets wet, or blown out on a really windy day. And with the screen bottom the smaller seeds fall out to the ground.  Would I recommend it….no. There are too many other bird feeders out there that function very well, this one….not so much.